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NAWT Training Programs

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Basic and Inspector Training


The National Association of Wastewater Transporters, Inc. (NAWT), was formed in April of 1985. The purpose of the organization was to provide an effective voice at the national level for the industry to provide a diverse set of services to maintain a healthful environment. The association also expressed the desire to “disseminate information and service as a communication and education conduit for the industry.”


As a result of this purpose NAWT developed and launched a successful national certification program for individual sewage treatment system inspection. The inspection education program incorporated the USEPA proposed five management levels to provide the rationale and basis for inspecting onsite wastewater treatment systems. Over the past four years this has resulted in the training and examination of over 2,000 inspectors. Currently there are over 1,100 inspectors registered on the NAWT website which is hosted by Cole Publishing.


As a part of this EPA supported project, NAWT trainers conducted “train the trainer” sessions, which resulted in establishment of trainers in California, Texas, and Iowa.  Continuing series of inspection education programs using the NAWT approach are required in Arizona, Delaware and New Mexico. NAWT will be establishing an education and certification program for time of sale inspections in Oregon later this year.


The NAWT level of inspection is at the operation level. It requires the inspector to locate and identify all parts of the onsite treatment system. Then the inspector needs to assess the condition of each part and determine whether it is operating properly or if there are system deficiencies to be corrected. To do this requires that all parts of the system be accessible and opened for inspection. This includes septic tanks, pump chambers, pretreatment media filters, aerobic treatment units and soil treatment units.


The NAWT program requires inspectors to complete 8 hours of continuing education every 2 years to maintain their certification.


NAWT regularly sponsors training courses at locations around the country. In addition they work with state associations in California, Delaware, Oregon, and Texas to provide regular training opportunities. To inquire about bringing a training course to your area contact Tom Ferrero, NAWT Executive Director, 336 Chestnut Lane, Ambler, PA 19002-1001, 800-236-6298 or



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